Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos segmentos b quando o segmento a é vidro filigrana.
 ###Tabelas: CREATE TABLE nascar_nationwide_series (nascar_nationwide_series_id AUTO_INCREMENT PRIMARY KEY, Year INT, Starts INT, Wins INT, Top 5 INT, Top 10 INT, Poles INT, Avg. Start INT, Avg. Finish INT, Winnings VARCHAR, Position VARCHAR, Team(s) VARCHAR) CREATE TABLE 2012_statistics_at_least_1000000_passengers_incomplete (2012_statistics_at_least_1000000_passengers_incomplete_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Airport VARCHAR, City VARCHAR, 2012 INT, Change (12/11) VARCHAR) CREATE TABLE season_16:_2010_2011 (season_16:_2010_2011_id AUTO_INCREMENT PRIMARY KEY, Series Ep. VARCHAR, Episode INT, Netflix VARCHAR, Segment A VARCHAR, Segment B VARCHAR, Segment C VARCHAR, Segment D VARCHAR) CREATE TABLE instruments_played_by_band_members (instruments_played_by_band_members_id AUTO_INCREMENT PRIMARY KEY, Paul McCartney VARCHAR, Stuart VARCHAR, McIntosh VARCHAR, Whitten VARCHAR, Linda McCartney VARCHAR) CREATE TABLE the_seven_ancient_wonders (the_seven_ancient_wonders_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Date of construction VARCHAR, Builder VARCHAR, Date of destruction VARCHAR, Cause of destruction VARCHAR, Modern location VARCHAR)  
SELECT COUNT Segment B FROM season_16:_2010_2011 WHERE Segment A = Filigree Glass